All the following are objectives of dairy farm management, except

Options

A. Improvement in quality of milk
B. selection of good breeds having high yielding potential
C. Selection of breeds which are vulnerable to diseases
D. Maintenance of quality and quantity of fodder

Explanation

**Step-by-Step Solution:**

1. **Understanding Dairy Farm Management:**
- Dairy farm management involves the effective management of dairy animals to produce milk and other dairy products for human consumption.

2. **Identifying Objectives of Dairy Farm Management:**
- The main objectives typically include:
- Improvement in the quality of milk.
- Selection of good breeds with high yielding potential.
- Maintenance of quality and quantity of fodder.

3. **Analyzing the Given Options:**
- The options provided are:
1. Improvement in quality of milk
2. Selection of good breeds having high yielding potential
3. Selection of breeds which are vulnerable to diseases
4. Maintenance of quality and quantity of fodder

4. **Evaluating Each Option:**
- **Option 1:** Improvement in quality of milk - This is an objective of dairy farm management.
- **Option 2:** Selection of good breeds having high yielding potential - This is also an objective.
- **Option 3:** Selection of breeds which are vulnerable to diseases - This is NOT an objective since the focus should be on selecting breeds that are resistant to diseases.
- **Option 4:** Maintenance of quality and quantity of fodder - This is an objective as well.

5. **Conclusion:**
- The option that does not align with the objectives of dairy farm management is **Option 3: Selection of breeds which are vulnerable to diseases**.

**Final Answer: Option 3**

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